Color filters on iPhones are an accessibility feature that is helpful for those with visual impairments like color blindness.
To enable color filters on iPhone or iPad, open the Settings app, go to Accessibility, select Display & Text Size, and enable the toggle for Color Filters.
There are various color filters available including Grayscale, Red/Green Filter, Green/Red Filter, and Blue/Yellow Filter. Adjust the filter intensity using the slider.
Enabling color filters on iPhone or iPad is a great accessibility feature for easy reading, especially for those with visual impairments.